题型:单项选择题 湿陷性黄土和膨胀土地基采用换填垫层法处理时,可选用作垫层材料的有()。A.碎石、砾石B.不含碎砖碎石块的粉质黏土C.含有适量石块的粉质黏土D.颗粒粒径小于15mm的粉质黏土配制的灰土 查看答案
题型:选择题 There isn't ____ in today's newspaper. [ ]A. something interesting B. interesting anything C. interesting something D. anything interesting 查看答案